Analyse Struktural - X

 
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Etude de la structure de monocristaux de NaCl de différentes orientations

Principle

The spectra of the X-rays that are reflected with various different orientations by NaCl monocrystals are analysed. The associated interplanar spacings are determined based on the Bragg angles of the characteristic lines.

Tasks

  1. Determine the intensity of the X-rays that ...
 
Détails

Numéro d´article: P2541301

Analyse d'une structure de cristal cubique - Méthode depoudres selon Debye-Scherrer



Principe de l'expérience

Lors de l'irradiation d'un échantillon polycrystallin avec des rayons X, on peut observer des figures de diffraction caractéristiques. Ces figures de Debye-Scherrer sont photographiées et ensuite ...

 
Détails

Numéro d´article: P2541401

Analyse d'une structure de cristal hexagonale - Méthode des poudres selon Debye-Scherrer

Principle

A polycrystalline zirconium foil is irradiated with X-rays. The resulting Debye-Scherrer reflections are photographed and then evaluated.

Tasks

  1. Take Debye-Scherrer photographs of the zirconium sample.
  2. Evaluate the Debye-Scherrer rings and assign them to ...
 
Détails

Numéro d´article: P2541501

Détermination de structures cristallines par rayonnement X méthode de Laue

Principle

Laue diagrams are produced when monocrystals are irradiated with polychromatic X-rays. This method is primarily used for the determination of crystal symmetries and the orientation of crystals. When a LiF monocrystal is irradiated with polychromatic X-rays, a characteristic ...

 
Détails

Numéro d´article: P2541601

Investigation de structures cristallines par rayons X / méthode de Laue avec détecteur digital (XRIS)

Principle

Laue diagrams are produced when monocrystals are irradiated with polychromatic X-rays. This method is primarily used for the determination of crystal symmetries and the orientation of crystals. When a LiF monocrystal is irradiated with polychromatic X-rays, a characteristic ...

 
Détails

Numéro d´article: P2541602

Détermination de la longueur et de la position d'un objet invisible à l'?il nu

Principle

This experiment provides training in determining the length and position of an object based on an X-ray image. A metal pin that is embedded in a wooden block is used as the model. This experiment is also an excellent preparatory exercise for demonstrating the principle of computed ...

 
Détails

Numéro d´article: P2542001

Etude de la diffraction par des poudres cristallines en réseaux de Bravais (géométrie Bragg-Brentano)

Principle

Polycrystalline powder samples, which crystallize in the three cubic Bravais types, simple, face-centered and body-centered, are irradiated with the radiation from a Roentgen tube with a copper anode. A swivelling Geiger-Mueller counter tube detects the radiation that is ...

 
Détails

Numéro d´article: P2542101

Etude de la diffraction par des poudres cristallines avec structure diamant

Principle

Polycrystalline powder samples, which crystallize in the three cubic Bravais types, simple, face-centered and body-centered, are irradiated with the radiation from a Roentgen tube with a copper anode. A swivelling Geiger-Mueller counter tube detects the radiation that is ...

 
Détails

Numéro d´article: P2542201

Etude de la diffraction par des poudres cristallines avec structure hexagonale

Principle

A polycrystalline powder sample of zinc is irradiated with the radiation from a X-ray tube with a copper anode. A Geiger-Mueller counter tube is automatically swivelled to detect the radiation that is constructively reflected from the various lattice planes of the crystallites. ...

 
Détails

Numéro d´article: P2542301

Etude de la diffraction par des poudres cristallines avec structure tétragonale

Principle

A polycrystalline powder sample of lead dioxide is irradiated with the radiation from a X-ray tube with a copper anode. A Geiger-Mueller counter tube is automatically swivelled to detect the radiation that is constructively reflected from the various lattice planes of the ...

 
Détails

Numéro d´article: P2542401

Etude de la diffraction par des poudres cristallines avec structure cubique

Principle

A cubic crystalline powder sample is irradiated with the radiation from a X-ray tube with a copper anode. A Geiger-Mueller counter tube is automatically swivelled to detect the radiation that is constructively reflected from the various lattice planes of the crystallites. The ...

 
Détails

Numéro d´article: P2542501

Mesures de l'intensité de diffraction des figures de Debeye-Scherrer utilisant une poudre à structure cubique

Principle

A polycrystalline, cubic face-centered crystallizing powder sample is irradiated with the radiation from a Roentgen tube with a copper anode. A Geiger-Mueller counter tube is automatically swivelled to detect the radiation that is constructively reflected from the various lattice ...

 
Détails

Numéro d´article: P2542601

Mesures par diffraction de Debye-Scherrer des paramètres de structure de feuilles laminées

Principle

A polycrystalline, cubic face-centered crystallizing copper powder sample and a thin copper sheet are separately irradiated with the radiation from a Roentgen tube with a copper anode. A Geiger-Mueller counter tube is automatically swivelled to detect the radiation that is ...

 
Détails

Numéro d´article: P2542701

Spectroscopie de fluorescence X - calibration du détecteur

Principle

Various metal samples are subjected to polychromatic X-rays. The resulting fluorescence radiation is analysed with the aid of a semiconductor detector and a multi-channel analyser. The maxima of intensity of the corresponding characteristic X-ray lines are determined. The ...

 
Détails

Numéro d´article: P2544001

Résolution de l'énergie du détecteur d'énergie de rayons X

Principle

Various metal samples are subjected to polychromatic X-rays. The resulting fluorescence radiation is analysed with the aid of a semiconductor detector and a multichannel analyser. The energy of the characteristic X-ray lines and their full widths at half maximum are determined. ...

 
Détails

Numéro d´article: P2544101

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